If the sampling procedure used to draw the norming group used whole classrooms rather than selecting individuals, that procedure would be:

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Cluster sampling involves dividing the population into clusters, selecting a random sample of clusters, and then sampling all individuals within those clusters. In this scenario, classrooms are considered the clusters, and a random sample of classrooms would be selected for the norming group. This is a practical and efficient way to sample a large group of individuals while still obtaining a representative sample of the population. Simple random sampling involves selecting individuals randomly from the entire population, which would not be feasible in this scenario. Stratified sampling involves dividing the population into subgroups based on certain characteristics and then randomly selecting individuals from each subgroup, which would not be necessary in this scenario. Group sampling is not a recognized sampling method.

If the Sampling Procedure Used to Draw the Norming Group